大家都搜：
污染点
1、i spot───我发现了
2、no spot───没有污点
3、let spot───让我们发现
4、contamination definition───污染定义
5、spot───adv.准确地；恰好；vt.认出；弄脏；用灯光照射；adj.现场的；现货买卖的；n.地点；斑点；vi.沾上污渍；满是斑点
6、spot dog───斑点狗
7、contamination───n.污染，玷污；污染物
8、spot color───n.专色特别色专色
9、fecal contamination───粪便性污染
1、several decades China's industrial boom has caused widespread contamination by heavy metals such as lead and cadmium, resulting in a silent health epidemic that can be difficult to spot.───几十年来，中国的工业荣华已导致大面积重金属(如铅和镉)净化，形成可能难以察觉的无声的公共卫生危机。
2、experiments , comparison and analysis for the three thickness measurement methods :two-beam diffraction method , contamination spot method and contamination line method were carried out.───对用电子显微镜测量薄膜厚度的三种方法：双束衍射法、污斑法、污线法进行了实验及比较分析。